/*
 * @Author: Chris:) 
 * @Date: 2019-11-23 14:31:32 
 * @Last Modified by: Chris:)
 * @Last Modified time: 2019-11-23 14:31:56
 */
// white(true){
//     console.log('true')
// }


console.log('1')
document.addEventListener('DOMContentLoaded',function(){
    console.log('DOMContentLoaded');
})